The rules for the closely watched Feb. 28 primary are clear: Anyone can vote in the Republican contest. You just have to request a Republican ballot. Your choice of ballot -- but not your choice of candidate -- will be public, meaning reporters or political parties can look it up and use it how they wish, such as in a story or for fund-raising.
A vote for, say, Santorum will contribute to the ongoing chaos in the effort to choose a GOP presidential candidate and weaken Mitt Romney. It's very tempting.
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